Installing the crankshaft

Rotate the threaded support sleeves in reverse 

• Rotate the threaded support sleeves in the main bearing cap in reverse.

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• Insert the bearing shells in bearing seats (1), (2), (4) and (5).
• Insert bearing shell (3) in the guide bearing seat on the crankcase.

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• Insert the bearing shells in bearing caps (1), (2), (4) and (5).
• Insert bearing shell (3) into the guide bearing cap.

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• Install crankshaft.
• Position all main bearing caps with bearing shells.
• Observe the crankshaft bearing cap assignment (1 to 5).

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• Replace screws.

  Parts:  Screws

• Fasten the collar screws (M11) in the order of 1 to 10.
  Fig 1: Crankshaft Bearing Collar Screws Tightening Sequence (M11)

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  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Bearing cap to crankcase (ASA (ASA) collar screw)
  M11x99 Replace screws. Screw in hand-tight.	Joining torque	20 Nm
  	Angle of rotation	125°

• Replace screws.

  Parts:  Screws

• Fasten the collar screws (M8) in the order of 1 to 10.
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Bearing cap to crankcase (ASA collar screw 10.9)
  M8X70 Replace screw.	Joining torque	10 Nm
  	Angle of rotation	63°

  Fig 2: Crankshaft Bearing Collar Screws Tightening Sequence (M8)

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  NOTE: The operations shown only for one side must be carried out on both sides.
• If fitted: 

  Replace screws.

  Parts:  Screws

• If fitted: 

  Tighten down screws (1).

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  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Bearing cap to crankcase
  M9x53 Replace screw.	Joining torque	20 Nm
  	Angle of rotation	100°

• Tighten all threaded support bushings (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Threaded support bushing
  Threaded support bushing	Tightening torque	6 Nm

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• Fasten the main bearing screw connections.
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Angled screw connection to crankcase
  M8x37 Flanged head screw 10.9	Joining torque	10 Nm
  	Angle of rotation	45°

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• Screw central bolt (1) into the crankshaft by hand.

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• Check the coefficient of friction at the crankshaft.
• Determine the breakaway torque of the crankshaft using special tool 0 490 130 (00 2 010). 
• Turn the crankshaft on the central bolt using the special tool.
  TECHNICAL DATA SPECIFICATION
  
  

  Crankshaft mounted
  Ease of movement of the crankshaft with connecting rod and piston		0... 5 Nm

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• If the breakaway torque is too high, it will be necessary to correct the main bearing clearance.
• Unscrew the central bolt (1).

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• Secure special tool with magnetic foot on crankcase.

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• Set the torque wrench (1) to 20 Nm.
• Attach the special tool 2 446 957  to the torque wrench.

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• Set dial gauge to zero.

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• Slide the crankshaft to the front in the arrow direction up to the stop at 20 Nm.

  Observe the deflection of the dial gauge. 

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• Slide the crankshaft to the rear in the arrow direction up to the stop at 20 Nm.
• Observe the deflection of the dial gauge. 

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• Compare the side clearance of the crankshaft to the setpoint value and assess.
  TECHNICAL DATA SPECIFICATION
  
  

  Crankshaft bearing clearance, axial
  Crankshaft side clearance		0.080... 0.246 mm

• Remove the special tool.

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Install the tensioning rail of the timing chain for cylinder 5-8 

• Position the tensioning rail (1) with the timing chain (2) on the gearing of the crankshaft.

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Install the guide rail of the timing chain for cylinders 5 to 8 

• Attach and position the slide rail (1).

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Install the tensioning rail of the timing chain for cylinder 1-4 

• Position the tensioning rail (1) with timing chain on the gearing of the crankshaft.

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• Attach and position the slide rail (1).

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Mounting the beaded metal gaskets 

• Clean sealing surfaces (2).
• Replace beaded metal gaskets (1).

  Parts:  Sheet metal beaded seals

• Securing the beaded metal gaskets (1) with the timing case cover screws.
• For timing case cover or timing chain replacement: 

  Loosen screw (3).

  Remove jump guard (4).

  Position jump guard (4).

  Tighten down screw (3).

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  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Jump guard
  M6x25	Tightening torque	10 Nm

• For timing case cover or timing chain replacement: 

  Release and remount coolant temperature sensor (1).

  Tighten the coolant temperature sensor (1).

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Water/oil temperature sensor
Sensor M12x1.5	Tightening torque	18 Nm

• The centering pins (1) must not be damaged, replace if necessary.

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• Clean sealing surfaces (1).

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Tightening the screw connection 1 on the front timing case cover 

• Position the timing case cover.
• Tighten screws in the order (1) to (2).

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Securing the screw connection 2 on the front timing case cover 

• Tighten screws in the order (3) to (9).

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Mounting the screw connection 3 on the front timing case cover 

• Position the carrier plate (1).
• Tighten screws in the order (10) to (12).

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• Connect and lock the plug connection (1) to the coolant temperature sensor (2).

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• Install the roller chain (1).

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Installing the sealing cap with radial shaft seal (oil pan removed) 

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• Clean sealing surface (1).
• The sealing cap with radial shaft seal (1) must not be stored longer than 6 months without a support bushing (2).
• The support bushing (2) must remain in the sealing cap with radial shaft seal (1) until installation as it is used as a slip bushing.

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• Replace the sealing cap with radial shaft seal (1).

  Parts:  Sealing cap with radial shaft seal.

• Coat the tire tread of the crankshaft with motor oil.

Technically suitable engine oils for BMW Group engines

• Position and slide on the sealing cap with the radial shaft seal (1) and the support bushing (2) on the crankshaft.

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• Screws (2) must only be replaced if M5x25 have been used.

  Parts:  Screws

• Abut screws (1).
• Tighten down screws (2).

Sealing cap with radial shaft seal
M5x25 screw Replace screw.	Tightening torque	10 Nm

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Sealing cap with radial shaft seal
M6x30 screw	Tightening torque	10 Nm

• Tighten down screws (1).

Sealing cap with radial shaft seal
M6x30 screw	Tightening torque	10 Nm

Follow-up work 

• Refer to FASTENING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND THE HEAT EXCHANGER .
• Refer to INSTALLING COOLANT PUMPS .
• Refer to INSTALLING THE VIBRATION DAMPER .
• Refer to INSTALLING THE FLYWHEEL .
• Refer to INSTALLING PISTON WITH CONNECTING ROD .
• Refer to INSTALLING THE UPPER OIL SUMP SECTION .
• Refer to INSTALLING FRONT AXLE DIFFERENTIAL .
• Refer to INSTALLING THE ENGINE MOUNT .
• Refer to FASTENING AIR CONDITIONING COMPRESSOR .
• Refer to INSTALLING OIL PUMP .
• Refer to INSTALL THE LOWER OIL PAN SECTION .
• Refer to INSTALLING RIGHT CYLINDER HEAD .
• Refer to INSTALLING BOTH VANOS ADJUSTERS (CYLINDER HEAD DISASSEMBLY, BANK 1) .
• Refer to INSTALLING THE BELT PULLEY ON THE TORSIONAL VIBRATION DAMPER .
• Refer to INSTALLING THE CYLINDER HEAD COVER ON THE RIGHT .
• Refer to INSTALLING WIRING HARNESS SECTION FOR IGNITION SYSTEM OF BANK 1 .
• Refer to SECURING THE WIRING HARNESS SECTION FOR THE INTEGRATED POWER SUPPLY MODULE .
• Refer to INSTALLING RIGHT HIGH PRESSURE PUMP .
• Refer to INSTALLING THE HEAT SHIELD OF THE CRANKCASE VENTILATION OF CYLINDERS 1 TO 4 .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to SECURING THE FUEL SUPPLY LINE ON THE LEFT .
• Refer to SECURING COOLANT LINES FOR THE EXHAUST TURBOCHARGERS .
• Refer to INSTALL RAIL OF CYLINDER BANK 1 .
• Refer to INSTALLING RAIL ON BANK 2 .
• Refer to INSTALLING THE IGNITION COILS OF CYLINDERS 5 AND 6 .
• Refer to INSTALLING IGNITION COILS OF CYLINDER BANK 1 .
• Refer to INSTALLING THE LEFT THROTTLE BODY .
• Refer to INSTALLING ALTERNATOR .
• Refer to INSTALL DRIVE BELT .
• Refer to INSTALLING THE LEFT CYLINDER HEAD .
• Refer to INSTALLING BOTH LEFT VANOS ADJUSTERS (CYLINDER HEAD INSTALLATION CYLINDER BANK 2) .
• Refer to INSTALLING THE BELT PULLEY ON THE TORSIONAL VIBRATION DAMPER .
• Refer to INSTALLING HEAT SHIELD ON THE BOTTOM .
• Refer to INSTALLING FRONT HEAT SHIELD .
• Refer to INSTALLING BOTH EXHAUST MANIFOLDS .
• Refer to INSTALLING THE HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE LEFT CYLINDER HEAD COVER .
• Refer to INSTALLING LEFT AND RIGHT EXHAUST TURBOCHARGERS .
• Refer to INSTALLING WIRING HARNESS SECTION FOR IGNITION SYSTEM OF BANK 2 .
• Refer to INSTALLING RIGHT HIGH PRESSURE PUMP .
• Refer to INSTALLING THE LEFT HIGH PRESSURE PUMP .
• Refer to INSTALLING THE HEAT SHIELD OF THE CRANKCASE VENTILATION OF CYLINDERS 5 TO 8 .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to ATTACHING THE RIGHT FUEL SUPPLY LINE .
• Refer to SECURING COOLANT LINES FOR THE EXHAUST TURBOCHARGERS .
• Refer to INSTALLING RAIL ON BANK 2 .
• Refer to INSTALLING THE IGNITION COILS OF CYLINDER BANK 2 .
• Refer to INSTALLING THE IGNITION COILS OF CYLINDERS 1 AND 2
• Refer to FASTENING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND THE HEAT EXCHANGER .
• Refer to INSTALLING THE LEFT THROTTLE BODY .
• Refer to INSTALLING THE CHARGE AIR COOLER ON THE LEFT AND RIGHT .
• Refer to INSTALLING ALTERNATOR .
• Refer to INSTALL DRIVE BELT .
• Refer to INSTALLING THE RIGHT UNFILTERED-AIR DUCT .
• Refer to INSTALLING OIL FILLER NECK .
• Refer to INSTALLING FRONT HEAT SHIELD .
• Refer to INSTALLING LEFT AND RIGHT EXHAUST TURBOCHARGERS .
• Refer to INSTALLING UPPER CATALYTIC CONVERTER NEAR ENGINE FOR BANK 2. .
• Refer to INSTALLING CATALYTIC CONVERTER NEAR THE ENGINE ABOVE CYLINDER BANK 1 .
• Refer to INSTALLING HEAT SHIELD, TOP .
• Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE CROSSING OF THE TRANSMISSION WIRING HARNESS .
• Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE .
• Refer to INSTALLING BRACKET FOR RIGHT INTAKE SILENCER .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR FOR CYLINDERS 1 TO 4 .
• Refer to INSTALL RIGHT INTAKE SILENCER HOUSING .
• Refer to INSTALLING THE LEFT UNFILTERED-AIR DUCT .
• Refer to INSTALLING THE LEFT INTAKE SILENCER BRACKET .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR FOR CYLINDERS 5 TO 8 .
• Refer to INSTALL THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
• Refer to FASTENING THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
• Refer to REMOVING THE ENGINE FROM THE ENGINE SUPPORT BRACKET .
• Refer to ATTACHING THE ENGINE TO THE LIFTING TABLE .